The next time you're feeling a little blue, try singing a song to lift your spirits. That's something that I've often done (without knowing the science behind it), but we're curious, Lifehackers: what do you do to quickly boost your mood?

The act of singing, it turns out, releases endorphins, those feel-good brain chemicals. It also brings more oxygen into your blood and increases circulation, helping to relieve stress. And music just soothes the soul.